Home / 147,177,321.22-203,095,551.91-81,094,121.40

Finding the Fourth Proportional to 147,177,321.22, 203,095,551.91 and 81,094,121.40

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Solution

The fourth proportional to 147,177,321.22, 203,095,551.91 and 81,094,121.40 is: 111,904,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,177,321.22 : 203,095,551.91 = 81,094,121.40 : x
  2. Step 2: Convert to fraction form
    147,177,321.22/203,095,551.91 = 81,094,121.40/x
  3. Step 3: Cross multiply
    147,177,321.22x = 203,095,551.91 × 81,094,121.40
  4. Step 4: Simplify right side
    147,177,321.22x = 16,469,855,341,425,198
  5. Step 5: Solve for x
    x = 16,469,855,341,425,198/147,177,321.22
  6. Step 6: Final answer
    x = 111,904,845.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.